<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<form action="1.2mobile.php" method="post">
   <textarea name="a" style="width: 200px;height: 300px;"></textarea>
    <input type="submit">
</form>
</body>
</html>